The mammalian organ which acts both as a digestive and as an endocrine organ is the
oesophagus
liver
pancreas
spleen
Correct answer is C
No explanation has been provided for this answer.
In mammals, the function of the sebaceous gland is to
produce sweat
secrete sodium choride
secrete water
produce an oily substance
manufacture vitamin D for the skin
Correct answer is D
No explanation has been provided for this answer.
Which vitamin plays an important role in blood clotting?
vitamin A
Vitamin K
Vitamin B12
Vitamin C
Correct answer is B
No explanation has been provided for this answer.
Identify which of the following are characteristics of the vertebrate respiratory surface
1, 2, 3
1, 2, 5
2, 3, 5
2, 4, 5
1, 3, 5
Correct answer is A
No explanation has been provided for this answer.
washed sand
saw dust
cow dung
clay soil
Correct answer is C
No explanation has been provided for this answer.